Koji is a fermentation starter, a mold essentially, used to create soy sauce, miso, even Japanese sake! 

note: package may have been updated since this product photo was taken

Product Info 

• Product name: Koji Rice
• Product type: 

• Rice
• Ingredients: Rice (Japan), [Additives] Dextrin, black ginger extract / cyclodextrin. Japanese Original: 米(国産)、【別添物】デキストリン、ブラックジンジャー抽出物/シクロデキストリン
• Net weight: 300 grams
• Storage: 

• Keep in cool, dry area away from sunlight.
• Manufacturer: Mayasumiso
• Best by date: See back of package (example: 16.08.30 = August 30, 2016). Please contact us if it arrives with less than one month on the best by date.

Nutritional info (per 100g)

• Energy: 370 kcal
• Protein: 6.7 g
• Fat: 1.5 g
• Carbohydrates: 84.3 g

• Sodium: 0 g

Articles about koji 

What's koji and what makes it so special?

Shio-koji (Japanese fermented condiment) Recipe